libvirt/src/cpu/cpu.h
Jiri Denemark 74b23a00eb cpu_ppc64: Avoid unnecessary pointer to virCPUppc64Data
virCPUData and struct ppc64_model structures contained a pointer to
virCPUppc64Data, which was not very nice since the real data were
accessible by yet another level of pointers from virCPUppc64Data.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
2016-06-09 09:47:56 +02:00

214 lines
5.7 KiB
C

/*
* cpu.h: internal functions for CPU manipulation
*
* Copyright (C) 2009-2010, 2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Authors:
* Jiri Denemark <jdenemar@redhat.com>
*/
#ifndef __VIR_CPU_H__
# define __VIR_CPU_H__
# include "virerror.h"
# include "datatypes.h"
# include "virarch.h"
# include "conf/cpu_conf.h"
# include "cpu_x86_data.h"
# include "cpu_ppc64_data.h"
typedef struct _virCPUData virCPUData;
typedef virCPUData *virCPUDataPtr;
struct _virCPUData {
virArch arch;
union {
virCPUx86Data x86;
virCPUppc64Data ppc64;
/* generic driver needs no data */
} data;
};
typedef virCPUCompareResult
(*cpuArchCompare) (virCPUDefPtr host,
virCPUDefPtr cpu,
bool failIncompatible);
typedef int
(*cpuArchDecode) (virCPUDefPtr cpu,
const virCPUData *data,
const char **models,
unsigned int nmodels,
const char *preferred,
unsigned int flags);
typedef int
(*cpuArchEncode) (virArch arch,
const virCPUDef *cpu,
virCPUDataPtr *forced,
virCPUDataPtr *required,
virCPUDataPtr *optional,
virCPUDataPtr *disabled,
virCPUDataPtr *forbidden,
virCPUDataPtr *vendor);
typedef void
(*cpuArchDataFree) (virCPUDataPtr data);
typedef virCPUDataPtr
(*cpuArchNodeData) (virArch arch);
typedef virCPUCompareResult
(*cpuArchGuestData) (virCPUDefPtr host,
virCPUDefPtr guest,
virCPUDataPtr *data,
char **message);
typedef virCPUDefPtr
(*cpuArchBaseline) (virCPUDefPtr *cpus,
unsigned int ncpus,
const char **models,
unsigned int nmodels,
unsigned int flags);
typedef int
(*cpuArchUpdate) (virCPUDefPtr guest,
const virCPUDef *host);
typedef int
(*cpuArchHasFeature) (const virCPUData *data,
const char *feature);
typedef char *
(*cpuArchDataFormat)(const virCPUData *data);
typedef virCPUDataPtr
(*cpuArchDataParse) (xmlXPathContextPtr ctxt);
typedef int
(*cpuArchGetModels) (char ***models);
struct cpuArchDriver {
const char *name;
const virArch *arch;
unsigned int narch;
cpuArchCompare compare;
cpuArchDecode decode;
cpuArchEncode encode;
cpuArchDataFree free;
cpuArchNodeData nodeData;
cpuArchGuestData guestData;
cpuArchBaseline baseline;
cpuArchUpdate update;
cpuArchHasFeature hasFeature;
cpuArchDataFormat dataFormat;
cpuArchDataParse dataParse;
cpuArchGetModels getModels;
};
virCPUCompareResult
cpuCompareXML(virCPUDefPtr host,
const char *xml,
bool failIncompatible)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
virCPUCompareResult
cpuCompare (virCPUDefPtr host,
virCPUDefPtr cpu,
bool failIncompatible)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int
cpuDecode (virCPUDefPtr cpu,
const virCPUData *data,
const char **models,
unsigned int nmodels,
const char *preferred)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int
cpuEncode (virArch arch,
const virCPUDef *cpu,
virCPUDataPtr *forced,
virCPUDataPtr *required,
virCPUDataPtr *optional,
virCPUDataPtr *disabled,
virCPUDataPtr *forbidden,
virCPUDataPtr *vendor)
ATTRIBUTE_NONNULL(2);
void
cpuDataFree (virCPUDataPtr data);
virCPUDataPtr
cpuNodeData (virArch arch);
virCPUCompareResult
cpuGuestData(virCPUDefPtr host,
virCPUDefPtr guest,
virCPUDataPtr *data,
char **msg)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
char *
cpuBaselineXML(const char **xmlCPUs,
unsigned int ncpus,
const char **models,
unsigned int nmodels,
unsigned int flags);
virCPUDefPtr
cpuBaseline (virCPUDefPtr *cpus,
unsigned int ncpus,
const char **models,
unsigned int nmodels,
unsigned int flags)
ATTRIBUTE_NONNULL(1);
int
cpuUpdate (virCPUDefPtr guest,
const virCPUDef *host)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int
cpuHasFeature(const virCPUData *data,
const char *feature)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
bool
cpuModelIsAllowed(const char *model,
const char **models,
unsigned int nmodels)
ATTRIBUTE_NONNULL(1);
int
cpuGetModels(const char *arch, char ***models)
ATTRIBUTE_NONNULL(1);
/* cpuDataFormat and cpuDataParse are implemented for unit tests only and
* have no real-life usage
*/
char *cpuDataFormat(const virCPUData *data)
ATTRIBUTE_NONNULL(1);
virCPUDataPtr cpuDataParse(const char *xmlStr)
ATTRIBUTE_NONNULL(1);
#endif /* __VIR_CPU_H__ */